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DS3711HV High Voltage High Torque Mini MG Servo

DS3711HV High Voltage High Torque Mini MG Servo

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Item:   JR PS3711HV
Price: $94.99 
Item Qualifies for Free Ground Freight (48 States) on Orders Over $250
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JR DS3711HV High Voltage High Torque Mini MG Servo

  • High-voltage native 2S Li-Po operation eliminates the need for a regulator
  • High-performance, excellent power vs. size
  • Digital precision for accuracy and performance
  • High torque
  • Metal gear train
  • 3-year JR® warranty
The JR® 3711HV servo is the latest update for the JR brand. Based on the original and successful 3421 servo, it has the high-voltage motor that allows it to be used unregulated when using 2-cell Li-Po power. With the added performance generated by the HV motor, this servo packs quite a punch. Not only does its usage have many options, including many sailplane configurations, it is also very suitable for many of the jet offerings now available to the market, especially the new and exciting EDFs.

Battery chemistries such as Li-Po, Li-Ion, and Li-Fe have become very popular within the RC community. They are the standard for powering electric motors and have also gained popularity as receiver battery packs. The issue is the output voltage of these batteries is higher then the previous standard 4 - and 5-cell Ni-Cd and Ni-MH packs, 4.8V and 6V, respectively. The higher voltage is not an issue with the receivers but can be for the servos. Many servos will not operate at these higher voltages for very long before burning out the motors or electronics.

To get around this issue modelers have had to use a regulator to drop the voltage to an acceptable operating range for their servos, usually around 5 to 6 volts. The addition of a regulator adds a component that, should it fail, can cause the loss of a model.

JR HV servos are designed with motors and electronics that operate off the direct voltage of a 2-cell Li-Po, Li-Ion, or Li-Fe receiver battery pack (6.6 to 7.4V nominal voltage). This eliminates the need for a regulator and lowers the chance for a power failure that can cause a catastrophic failure of your model. Also note that the HV servo specs are shown at the higher voltage (7.4V 2S Li-Po) but will still operate on a standard 5-cell 6V Ni-Cd, Ni-MH battery with a reduction in performance of approximately 10% in speed and torque.
  • Size Category: Standard
  • Type: Digital
  • Application: Small Aircraft and Sailplanes
  • Torque: 86 oz-in (2S Li-Po)
  • Speed: .13 sec/60° (2S Li-Po)
  • Length: 1.30 in
  • Width: 0.58 in
  • Height: 1.05 in
  • Weight: 1.0 oz
  • Gear Type: Metal
  • Voltage: 6-8.5V
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